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相关概念视频

Generalized Hooke's Law01:22

Generalized Hooke's Law

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The generalized Hooke's Law is a broadened version of Hooke's Law, which extends to all types of stress and in every direction. Consider an isotropic material shaped into a cube subjected to multiaxial loading. In this scenario, normal stresses are exerted along the three coordinate axes. As a result of these stresses, the cubic shape deforms into a rectangular parallelepiped. Despite this deformation, the new shape maintains equal sides, and there is a normal strain in the direction of the...
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Thermal Strain01:19

Thermal Strain

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Thermal strain is a concept that arises when we consider how temperature changes affect structures. Unlike the conventional assumption that structures remain constant under load, real-world scenarios often involve temperature fluctuations that can significantly impact these structures. Consider a homogeneous rod with a uniform cross-section resting freely on a flat horizontal surface. If the rod's temperature increases, the rod elongates. This elongation is proportional to the temperature...
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相关实验视频

Updated: Jul 7, 2025

Biomechanical Characterization of Human Soft Tissues Using Indentation and Tensile Testing
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Biomechanical Characterization of Human Soft Tissues Using Indentation and Tensile Testing

Published on: December 13, 2016

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在二维皮肤组织中使用固有值方法的通用热力学相互作用.

Ibrahim A Abbas1, Alaa A El-Bary2, Adil O Y Mohamed3

  • 1Department of Mathematics, Faculty of Science, Sohag University, Sohag, Egypt.

Journal of thermal biology
|December 27, 2023
PubMed
概括
此摘要是机器生成的。

这项研究分析了皮肤组织.

关键词:
分析解决方案 分析解决方案拉普拉斯 - 福里埃转换是什么?数字编程 数字编程热放松时间 热放松时间热力学相互作用 热力学相互作用二维的皮肤组织组织.

更多相关视频

Quantification of Strain in a Porcine Model of Skin Expansion Using Multi-View Stereo and Isogeometric Kinematics
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Quantification of Strain in a Porcine Model of Skin Expansion Using Multi-View Stereo and Isogeometric Kinematics

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Generation of a Three-dimensional Full Thickness Skin Equivalent and Automated Wounding
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Generation of a Three-dimensional Full Thickness Skin Equivalent and Automated Wounding

Published on: February 26, 2015

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相关实验视频

Last Updated: Jul 7, 2025

Biomechanical Characterization of Human Soft Tissues Using Indentation and Tensile Testing
07:07

Biomechanical Characterization of Human Soft Tissues Using Indentation and Tensile Testing

Published on: December 13, 2016

31.8K
Quantification of Strain in a Porcine Model of Skin Expansion Using Multi-View Stereo and Isogeometric Kinematics
14:14

Quantification of Strain in a Porcine Model of Skin Expansion Using Multi-View Stereo and Isogeometric Kinematics

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Generation of a Three-dimensional Full Thickness Skin Equivalent and Automated Wounding
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Generation of a Three-dimensional Full Thickness Skin Equivalent and Automated Wounding

Published on: February 26, 2015

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科学领域:

  • 生物医学工程 生物医学工程
  • 热分析 热分析
  • 连续力学 连续力学

背景情况:

  • 了解皮肤的热力学反应对于热疗法至关重要.
  • 需要准确的建模,以避免在传热和机械效应方面做出不切实际的预测.
  • 像Pennes这样的现有模型在某些条件下可能会产生不切实际的结果.

研究的目的:

  • 在瞬间加热下分析研究二维皮肤组织的热力学行为.
  • 应用拉普拉斯和富里埃转换来分析传热和热力学效应.
  • 为了进行癌症治疗,模拟经过区域热量过高的人类组织.

主要方法:

  • 对二维皮肤组织的分析研究.
  • 拉普拉斯和富里埃积分转换的应用.
  • 使用Stehfest方法对变换反转的数值反转.

主要成果:

  • 血 perfusion 速率和热放松时间显著影响热力学分布.
  • 热力学波在皮肤组织内传播到有限的距离.
  • 与Pennes模型相比,该模型提供了更现实的预测.

结论:

  • 这项研究为皮肤对加热的热力学反应提供了一个精细的分析模型.
  • 研究结果强调了热疗法中输血和热放松时间的重要性.
  • 开发的模型减轻了与更简单的传热模型相关的不现实的预测.